The rotary engine was an unconventional design that delivered great power for its size. Here's what's good and bad about it.

Developing a gasoline-powered rotary engine was a dream for Felix Wankel, and we mean that literally. Some steam engines worked on the same basic principle as far back as the 18th century, but the ...

"I really can't remember having any issues with this car." Yeah . . . when was the last time you heard someone with a Mazda RX-7 say that? Or better yet, someone with a rotary motor? It isn't any ...

Like adding microtextures to plastics, the rotary valve idea in the RevForce design could potentially be an industry game-changer. Traditional Two-Stroke Engine Issues A traditional two-stroke engine ...

Isaac Atienza is a Filipino motoring journalist who joined TopSpeed.com in 2021. He also owns a Filpino motoring website called Go Flat Out PH and is also a contributor to a local newspaper called The ...